4003232616064 has 128 divisors (see below), whose sum is σ = 8914980009600. Its totient is φ = 1774757068800.

The previous prime is 4003232616043. The next prime is 4003232616067. The reversal of 4003232616064 is 4606162323004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (4003232616067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257285917 + ... + 257301475.

It is an arithmetic number, because the mean of its divisors is an integer number (69648281325).

Almost surely, 2^{4003232616064} is an apocalyptic number.

4003232616064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4003232616064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4457490004800).

4003232616064 is an abundant number, since it is smaller than the sum of its proper divisors (4911747393536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4003232616064 is a wasteful number, since it uses less digits than its factorization.

4003232616064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20082 (or 20070 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 4003232616064 its reverse (4606162323004), we get a palindrome (8609394939068).

The spelling of 4003232616064 in words is "four trillion, three billion, two hundred thirty-two million, six hundred sixteen thousand, sixty-four".